1'' Drive Jumbo Fractional Set - 9-Pc - Grey Pneumatic

The Grey Pneumatic 9159 1" Drive Jumbo Fractional Set is a 9-piece impact socket collection engineered for severe-duty applications on large SAE fasteners. This professional-grade set provides essential jumbo sizes for demanding maintenance tasks on heavy trucks, buses, and industrial equipment, ensuring reliable performance with 1" drive impact tools in challenging shop and field environments.

Key Features

• Heavy-Duty 1" Drive Impact Design: Specifically engineered for high-torque applications, these sockets are built to withstand the rigorous forces generated by 1" drive impact wrenches and ratchets, ideal for Class 6–8 trucks, buses, and off-road equipment.
• Secure 6-Point Jumbo Impact Sockets: The 6-point configuration delivers strong fastener contact, effectively minimizing the risk of rounding stubborn or corroded nuts and bolts commonly encountered in heavy-duty maintenance.
• Durable Chrome-Molybdenum Alloy Steel: Constructed from heat-treated Chrome-Molybdenum (Cr-Mo) alloy steel, these impact sockets offer superior strength, impact resistance, and long-term durability for professional heavy-duty service.
• Comprehensive Jumbo SAE Size Range: This set includes essential sizes: 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2", 1-5/8", 1-3/4", 1-7/8", and 2", covering common suspension, frame, axle, and hardware work.
• Fast Size Identification and Rugged Storage: Large, easy-to-read markings facilitate quick socket selection, while the robust metal storage case keeps the set organized and protected for transport and storage.

Applications

This 1" drive jumbo fractional set is an indispensable tool for maintenance and repair on medium- and heavy-duty commercial trucks and buses, including suspension, steering, brake, and driveline service. It is also well-suited for demanding tasks on construction, agricultural, and mining equipment, as well as general plant maintenance and industrial assembly, where high-torque connections with 1" drive impact sockets are required.

Specifications

• Manufacturer: Grey Pneumatic Corp.
• Model: 9159
• Drive Size: 1"
• Socket Type: 6-point, standard length, SAE jumbo impact sockets
• Pieces: 9
• Sizes: 1", 1-1/8", 1-1/4", 1-3/8", 1-1/2", 1-5/8", 1-3/4", 1-7/8", 2"
• Material: Chrome-Molybdenum alloy steel
• Weight: 18.2 lb
• Case: Metal storage case